Magnetic resonance (MR) imaging is projected to become a staple in breast imaging. It is considered ideal for younger women and women with dense breasts whose mammography findings typically are inconclusive because of large amounts of fibroglandular tissue. Because of its high resolution and ability to incorporate intravenous contrast media, MR also is useful for differentiating between benign and malignant breast lesions. However, breast MR imaging is not suited for every patient or every situation. This article reviews breast anatomy, MR imaging basics, the indications for breast MR imaging, and patient care considerations.
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